/ Home

OzDASL

House Insulation and Gas Consumption

Keywords: linear regression with two groups, analysis of covariance


Description

The following data was collected in the 1960s at a house in south-east England. The weekly gas consumption (in 1000 cubic feet) and the average outside temperature (in degrees Celsius) was recorded for 26 weeks before and 30 weeks after cavity-wall insulation had been installed. The house thermostat was set at 20C throughout.


Variable Description

Insulate Before or After
Temp Average outside temperature (C)
Gas Gas consumption (1000's of cubic feet)

Download

Data File (tab-delimited text)

Source

I don't have the source recorded - please remind me if you know.

Analysis

wpe1.jpg (11574 bytes)

 


Help

Home - About Us - Contact Us
Copyright © Gordon Smyth